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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG793605115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793605115

Diamond specifications and retailer prices

From £369 GBP
$495 USD
As of November 1, 2026
Save £512 GBP (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £881 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793605115 or 793605115. Listed at 11 retailers as of November 1, 2026, with prices from £369 to £881, a £512 spread on the same certified stone. MOH London lists it at £881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793605115
Dimensions12.50 × 6.05 × 3.67 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm6.05 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793605115
Side View
Table 62.0%Crown 34.8°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £881 GBP|Low: £229 GBP|High: £1,020 GBP|Avg: £571 GBP|-13.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 10£229 GBP
Retailer 9£369 GBP
Retailer 11£373 GBP
Retailer 7£377 GBP
Retailer 14£400 GBP
Retailer 4£404 GBP
Retailer 12£441 GBP
Retailer 2£513 GBP
Retailer 6£687 GBP
Retailer 8£704 GBP
Retailer 13£738 GBP
Retailer 3£759 GBP
MOH London£881 GBP
Retailer 5£949 GBP

32 data points across 14 retailers

11 retailers£369 GBP to £881 GBP

Retailer 1
-
£253 GBP
$340 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£369 GBP
$495 USD
View
Retailer 3
-
£373 GBP
$500 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£377 GBP
ZAR 8,175 ZAR
View
Retailer 5
-
£441 GBP
View
Price last confirmed 18 days ago
A
Retailer 6
-
£513 GBP
A$1,060 AUD
View
Retailer 7
-
£687 GBP
A$1,419 AUD
View
Price last confirmed 140 days ago
B+
Retailer 8
-
£704 GBP
$945 USD
View
Retailer 9
-
£738 GBP
$990 USD
View
Price last confirmed 29 days ago
Retailer 10
-
£814 GBP
$1,093 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
LG793605115 · Nov 2
£881 GBP
View
10 more retailers have this diamond
Prices start from £369 GBPSave up to £512 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Marquise
£369 GBP